assertThat(future.get()).isEqualTo("scheduleAtFixedRate");
    assertThat(recordedCommand).isSameInstanceAs(command);
    assertThat(recordedTimeUnit).isEqualTo(TimeUnit.NANOSECONDS);
    assertThat(Duration.ofNanos(recordedDelay)).isEqualTo(Duration.ofDays(2));
    assertThat(Duration.ofNanos(recordedInterval)).isEqualTo(Duration.ofHours(4));
  }